Messages in this thread | | | Subject | Re: [RFC] Simple userspace interface for PCI drivers | From | Thomas Gleixner <> | Date | Sun, 03 Sep 2006 10:34:19 +0200 |
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On Fri, 2006-09-01 at 21:17 +0000, Pavel Machek wrote: > Hi! > > > And the name is a bit ackward, anyone have a better suggestion? > > drivers/uio (for userspace io driver)?
not too bad.
> And yes, I think this one _should_ taint the kernel. When userspace > starts playing with interrupts, chances of kernel crash are high.
Userspace does not play with interrupts directly. You still have a small stub driver, which does the primary interrupt handling, else you would have a hard time to deal with shared irqs.
> Does it work properly with pci shared interrupts?
See the SERCOS example I posted.
tglx
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